OpenTechnical

OT-2026-000054603

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054603) never changes.

Identity and time

Publication numberOT-2026-000054603 · never reused
Internal UUID01a0ae86-1283-7050-b506-e95d0e75ae26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054603
StatusPUBLIC

Content hashes

Canonical textb7d0305d170fc343a177c14fd53322098056de92f13c96c3561fa7f19c27740b
Markdowneac98c320c94a89a027a0b26b1c3c59193d72a2dd54209246deef97a1a595d57
PDF
Publication page475ea2ff38c3e12bd667608f396f0e8ce04339a25bf9deed121397135e4a2279
Manifest01d23fabf37a7eeeee1135d1e7df28274a0766b29ad8f738d1caa3adb3d53d46

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturehhpib6nBrDuKyxrOwsVXyOagWKoJltevuni1YoDOtKn63cP0kL2jWOMVfA05ISLWLWSo6gXduDp0YMT/HwjxDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:39.476843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054603
observed 475ea2ff38c3e12bd667608f396f0e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.460215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054603/manifest.json
observed 01d23fabf37a7eeeee1135d1e7df2827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.441746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054603/publication.md
observed eac98c320c94a89a027a0b26b1c3c591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:39.422590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054603/publication.txt
observed b7d0305d170fc343a177c14fd5332209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.